black, irregulary marked with white splotches; long black and white striped antennae(1)
native to China(2), introduced to ne NA, apparently not established(3) (used to be a problem at some point locally)
Larvae feed on many hardwood trees, primarily on maple and poplar (also birch, horsechestnut, willow, elm, and ash); unlike other borers, may attack healthy trees, causing severe dieback and structural weakening(1)
Spreads with solid wood packing material (crates/pallets) or firewood. If you see it, COLLECT IT and call the USDA, applicable State Agency, or Canadian Food Inspection Agency.
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